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Flashcards in Human body Deck (24):
1

What protects the heart?

The ribs

2

What are the four types of teeth?

Canines, molars, pre-molars and incisors

3

What are canine teeth used for?

For ripping and tearing food

4

What are molar teeth used for?

For chewing and grinding

5

What are pre-molar teeth used for?

For mild chewing and grinding

6

What are incisors used for?

For slicing and cutting

7

Why do teeth breakdown food?

To make it suitable for swallowing and digesting

8

Where are the molar teeth in the mouth?

At the back of the mouth

9

What would be the effect of a bad diet on your teeth?

They would become decayed and if not treated would eventually fall out

10

Why must food be broken down from large particles into tiny molecules?

So that it can pass through the small intestine into the blood.

11

What carries digested food around the body?

Blood

12

The digestive process is carried out by enzymes in digestive juices. Where are they made?

In the mouth, stomach, pancreas and liver

13

What do enzymes do?

They speed up chemical reactions in living organisms

14

What happens when we breathe in?

The muscles push the ribs upwards and outwards. The diaphragm moves down. The volume inside the chest rises. This causes air to rush into your lungs.

15

What happens to your body when we breathe out?

The muscles push the ribs downwards and inwards. The diaphragm moves up. The volume inside the chest decreases. This causes air to rush out your lungs.

16

Why do we need lungs to breathe

There's nowhere else for the air to go, so it's like storage

17

What makes us breathe?

Oxygen from the air

18

What do lungs do?

They bring in air and pass oxygen into our blood. Cells receive oxygen from our blood

19

What is the function of the heart?

To pump blood carrying oxygen and food around the body to all of our cells

20

Which blood cells carry oxygen around the body?

Red blood cells

21

What is the function of platelets?

To clot the blood when required

22

What do white blood cells do?

Protect the body from foreign particles

23

What is the yellow liquid part of blood called?

Plasma

24

Where is carbon dioxide carried?

In the red blood cells and the plasma